$base-color:#1D51A6; //主要颜色
$font-color:#1E67DC; //字体颜色
$base-font-color:#037AFF; //基础字体颜色
$nomal-color:#999999; //默认颜色
$back-color:#FAFAFA;
.clearFix::after{
  display: block;
  content: " ";
  clear: both;
}